Graphite
Open in tool →A greyscale system with a single amber — the accent does all the work, so allow one per screen.
Color
#ef9b01
#ef9b01
hex
#ef9b01rgb
rgb(239, 155, 1)hsl
hsl(39, 99%, 47%)oklch
oklch(0.756 0.163 71)Closest name: orange (#ffa500)Relative luminance 0.418
Colors that go with #ef9b01
Charcoal, Deep Sky Blue and Blue lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.
Charcoal #36454f
neutralshippedCharcoal is the body-text near-black for #ef9b01: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy.
Deep Sky Blue #00bfff
complementaryshippedDeep Sky Blue sits directly opposite #ef9b01 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Blue #0000ff
shippedBlue is paired with #ef9b01 in 4 real palettes, including Binance's brand system and League of Legends's brand system, as the accent — a combination designers have actually shipped, not a computed rotation.
Champagne #f7e7ce
shippedChampagne is paired with #ef9b01 in 6 real palettes, including Forest Floor and Woodsmoke, as the text colour against it — a combination designers have actually shipped, not a computed rotation.
Cornflower Blue #6495ed
shippedCornflower Blue is paired with #ef9b01 in 5 real palettes, including Gopro's brand system and Ahrefs's brand system, as the supporting colour — a combination designers have actually shipped, not a computed rotation.
Dark Olive Green #556b2f
shippedDark Olive Green is paired with #ef9b01 in 5 real palettes, including Farmers Market and Forest Floor, as the supporting colour — a combination designers have actually shipped, not a computed rotation.
Denim #1560bd
shippedDenim is paired with #ef9b01 in 9 real palettes, including Campus and Gopro's brand system, as the lead colour — a combination designers have actually shipped, not a computed rotation.
Dodger Blue #1e90ff
shippedDodger Blue is paired with #ef9b01 in 7 real palettes, including PostHog's brand system and Playground, as the lead colour — a combination designers have actually shipped, not a computed rotation.
Real palettes that use #ef9b01
Tints & shades
Harmonies
Contrast
| #ef9b01 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 2.24:1 | fail | fail | fail | |
Aaon black | 9.36:1 | pass | pass | pass | Passes AAA — no fix needed. |
Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #ef9b01 as the background.
Brands using this color
No public brand in the corpus uses this exact color yet. Extract a brand to add one.
Palettes built around it
Mint Modern
Open in tool →Emerald as a primary rather than a success color, anchored by deep teal text — fresh, friendly, and fintech-adjacent.
Campus
Open in tool →Institutional blue with a highlighter-amber accent — trustworthy for parents, lively enough for students.
Fonts for this mood
#ef9b01 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:
mcpConnect your agent — build around #ef9b01
live endpointPoint any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.
endpoint
https://mcp.brandsweets.com/colors/mcpclaude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt
›analyze #ef9b01 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
tool url
/palettes/new/ef9b01-c4ba9c-62b9cb-2c2d1f-f1ebe9?lock=0&style=vibrantWant the agent to remember your picks and write them into a living brand? Create a free BrandSweets workspace.
Machine-readable: color.md